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1490681856000 = 22035317223
BaseRepresentation
bin10101101100010011100…
…100000000000000000000
312021111201011220101012010
4111230103210000000000
5143410404023343000
63100450525332520
7212461325465661
oct25542344000000
95244634811163
101490681856000
11525216055937
12200aa2407140
13aa755a84b2c
1452213cbb368
1528b992c7d50
hex15b13900000

1490681856000 has 672 divisors, whose sum is σ = 5276364807168. Its totient is φ = 372454195200.

The previous prime is 1490681855989. The next prime is 1490681856023. The reversal of 1490681856000 is 6581860941.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6684671889 + ... + 6684672111.

It is an arithmetic number, because the mean of its divisors is an integer number (7851733344).

Almost surely, 21490681856000 is an apocalyptic number.

1490681856000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1490681856000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2638182403584).

1490681856000 is an abundant number, since it is smaller than the sum of its proper divisors (3785682951168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1490681856000 is an frugal number, since it uses more digits than its factorization.

1490681856000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The spelling of 1490681856000 in words is "one trillion, four hundred ninety billion, six hundred eighty-one million, eight hundred fifty-six thousand".